ieee80211_output.c in MadWifi before 0.9.3 sends unencrypted packets before WPA authentication succeeds, which allows remote attackers to obtain sensitive information (related to network structure), and possibly cause a denial of service (disrupted authentication) and conduct spoofing attacks.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.032
EPSS Ranking 86.3%